7YMK

Estrogen Receptor Alpha Ligand Binding Domain C381S C417S Y537S Mutant in Complex with an Covalent Selective Estrogen Receptor Degrader 29c and GRIP Peptide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295.15	18% (w/v) PEG 3350, 0.25 M Ammonium sulfate, and 0.1 M HEPES pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.481	α = 90
b = 101.48	β = 90
c = 195.807	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	Bruker PHOTON III		2021-10-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	LIQUID ANODE	BRUKER METALJET	1.34138

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.25	33.78	99.8	0.0873	12.27	10.11		25394

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.25	2.28	98.7		0.5107	2.24	6.48

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	5DI7	2.25	33.78	24031	1268	99.79	0.1971	0.1942	0.2531	RANDOM	44.197

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.63			3.57		-2.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.96
r_dihedral_angle_4_deg	20.142
r_dihedral_angle_3_deg	16.558
r_dihedral_angle_1_deg	6.32
r_angle_refined_deg	1.58
r_angle_other_deg	1.324
r_chiral_restr	0.078
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.96
r_dihedral_angle_4_deg	20.142
r_dihedral_angle_3_deg	16.558
r_dihedral_angle_1_deg	6.32
r_angle_refined_deg	1.58
r_angle_other_deg	1.324
r_chiral_restr	0.078
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3750
Nucleic Acid Atoms
Solvent Atoms	153
Heterogen Atoms	55

Software

Software
Software Name	Purpose
SAINT	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SAINT	data reduction
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.